Cita APA (7th ed.)
Ryan, M. A. (2011). A kingdom of stargazers: Astrology and authority in the late medieval crown of Aragon. Cornell University Press.
Cita Chicago (17th ed.)
Ryan, Michael A. A Kingdom of Stargazers: Astrology and Authority in the Late Medieval Crown of Aragon. Ithaca: Cornell University Press, 2011.
Cita MLA (9th ed.)
Ryan, Michael A. A Kingdom of Stargazers: Astrology and Authority in the Late Medieval Crown of Aragon. Cornell University Press, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.